drm/edid: move drm_edid_is_zero to top, make edid argument const

drm_edid_is_zero will be used by drm_edid_block valid, move it up.
raw_edid argument can be const.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 3bf999134bcc503dd12e9c8dce3244a81e447a24..f8fb327407cd5414c5b8905324e1b7f7c5fe249b 100644 (file)
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1014,6 +1014,14 @@ module_param_named(edid_fixup, edid_fixup, int, 0400);
 MODULE_PARM_DESC(edid_fixup,
                 "Minimum number of valid EDID header bytes (0-8, default 6)");
 
+static bool drm_edid_is_zero(const u8 *in_edid, int length)
+{
+       if (memchr_inv(in_edid, 0, length))
+               return false;
+
+       return true;
+}
+
 /**
  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
  * @raw_edid: pointer to raw EDID block
@@ -1176,14 +1184,6 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf,
        return ret == xfers ? 0 : -1;
 }
 
-static bool drm_edid_is_zero(u8 *in_edid, int length)
-{
-       if (memchr_inv(in_edid, 0, length))
-               return false;
-
-       return true;
-}
-
 static u8 *
 drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
 {